Aug 19, 2025 · An atomic nucleus is a positively charged core of an atom, containing protons and neutrons. The correct statement that describes an atomic nucleus is: An atomic nucleus contains …

Nov 20, 2024 · Ribosomes can either be free-floating in the cytoplasm or associated with the rough endoplasmic reticulum (RER). The former synthesize proteins that are destined for the nucleus, …

Nov 14, 2024 · A nucleus that has a greater mass number than the starting materials. This accurately reflects that the process of nuclear fusion results in a heavier nucleus being formed from lighter nuclei.

Aug 21, 2025 · The atomic nucleus is the central part of an atom, made up of protons and neutrons. It determines the element and plays a crucial role in atomic mass and stability. The number of protons …

Jun 20, 2025 · The atomic nucleus is positively charged because it is made up of protons, which have a positive charge. Neutrons are neutral and do not contribute to the nucleus's charge. Electrons are …

Oct 26, 2024 · In contrast, the nucleus model visualizes the atom more like a small solar system, where the sun represents the dense nucleus, and the planets represent the electrons orbiting around it. …

Jun 14, 2022 · Instead of a nucleus, their genetic material (DNA) is located in a region called the nucleoid, which is not membrane-bound. B. Amoeba - Amoebas are eukaryotic organisms, which …

Mar 8, 2023 · Therefore, the nucleus of the isotope 238U contains 92 protons and 146 neutrons. It's important to note that in a neutral atom, the number of electrons is equal to the number of protons. …

Sep 24, 2019 · In scientific discussions about atomic structure, it is widely accepted that protons and neutrons reside in the nucleus and account for the majority of an atom's mass, while electrons, which …

Feb 4, 2025 · Nucleus - This is also found in eukaryotic cells, serving as the control center of the cell. Ribosomes - These are the only organelles present in all cell types, including prokaryotic cells (such …